Detailed technical specifications of the clutch (Mazda Familia BF)

Contents: Clutch characteristics ⇓ Clutch disc ⇓ Flywheel ⇓ Clutch Drive Adjustment Data ⇓ Tightening torques of main threaded…⇓

The clutch is dry, single-disk, with a central pressure spring, a driven disk equipped with a torsional vibration damper and a ball bearing for engaging the clutch. The clutch drive is cable-operated, gap-free.

Clutch characteristics

The thickness of the metal layer removed during grinding of the pressure disk, no more than, mm: 0.5.

Spring pressure force for cars with B6 EGI engine, kgf: 440.

Clutch disc

Diameters of friction linings of the driven disk, mm:

outer:

cars with engines E1, E3, B3: 184;
cars with engines E5, B5, B6: 190;
cars with engine B6 EGI: 225;

interior:

cars with engines E1, E3, B3: 127;
cars with engines E5, B5, B6: 132;
cars with B6 EGI engine: 150.

Thickness of friction linings, mm:

cars with engines E1, E3, B3: 3.2;
cars with engines F5-R5-B6: 3.5:
cars with B6 EGI engine:

when measured from the flywheel side of the engine: 4.1;
when measured from the clutch housing side: 3.5.

Runout of the supporting surface of the driven disk, no more than, mm:

in the vertical plane: 1.0;
in the horizontal plane: 0.7.

Friction linings are subject to replacement when the distance between the rivet head and the working surface of the lining decreases to 0.3 mm.

Flywheel

Radial runout, no more than, mm: 0.2.

The thickness of the metal layer removed from the working surface of the flywheel under the driven disk during its turning, no more than, mm: 0.5.

Clutch Drive Adjustment Data

Full travel of clutch pedal, mm: 145.

Distance between clutch pedal and floor mat, mm: 214.5±5.0.

Minimum distance between clutch pedal and floor mat when clutch is disengaged, mm: 55.

Free travel of the clutch pedal, mm: 9-15.

Since 1989, a hydraulic clutch release drive has been used. The clutch release fork is steel, stamped and mounted on a ball joint.

Compression force of the spring of cars with engines B3 and B5, kgf: 334.

Inner diameter of the clutch master cylinder, mm: 15.87.

Inner diameter of the clutch drive working cylinder, mm: 19.05.

Fluid used in the clutch release hydraulic system: according to SAE J 1703 or according to DOT 3.